package main

import "fmt"

func main() {
	m := make(map[string]int)

	m["k1"] = 2
	m["k2"] = 100

	fmt.Println(len(m))

	v1 := m
	fmt.Println(v1)

	_, prs :=  m["k2"]
	fmt.Println("prs:",prs)

	n := map[string]int{"foo": 1, "bar": 2}
	fmt.Println("map:", n)
}
